Home / 13,977.82-19,281.96-10,615.06

Finding the Fourth Proportional to 13,977.82, 19,281.96 and 10,615.06

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Solution

The fourth proportional to 13,977.82, 19,281.96 and 10,615.06 is: 14,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.82 : 19,281.96 = 10,615.06 : x
  2. Step 2: Convert to fraction form
    13,977.82/19,281.96 = 10,615.06/x
  3. Step 3: Cross multiply
    13,977.82x = 19,281.96 × 10,615.06
  4. Step 4: Simplify right side
    13,977.82x = 204,679,162.32
  5. Step 5: Solve for x
    x = 204,679,162.32/13,977.82
  6. Step 6: Final answer
    x = 14,643.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.